How to group subclients using subclient tags that are under Virtualization Client. (Amazon, Google Cloud Platform) to run Backup Summary report.

I want to classify certain subclients in a Virtualization client using tag

I see that we can add tags at subclient level

For ex: certain subclients would belong to Application : Group A

some are in Group B, some are in Group C 

With this I want to run Backup summary report using that tags, there will be 3 reports each for Group A, B and C

I don’t see an option to achieve this

I’m not able to segregate/ select subclients in report using subclient tags.

Also while creating client computer group , we can have automatic mapping with criteria Clients with tags

but there is no option to create a group with subclients with tags